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hothouse

[hot-hous] /ˈhɒtˌhaʊs/
noun, plural hothouses
[hot-hou-ziz] /ˈhɒtˌhaʊ zɪz/ (Show IPA)
1.
an artificially heated greenhouse for the cultivation of tender plants.
adjective
2.
of, pertaining to, or noting a plant grown in a hothouse, or so fragile as to be capable of being grown only in a hothouse.
3.
overprotected, artificial, or unnaturally delicate.
Origin
1505-1515
1505-15; hot + house
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for hot house

hothouse

/ˈhɒtˌhaʊs/
noun
1.
  1. a greenhouse in which the temperature is maintained at a fixed level above that of the surroundings
  2. (as modifier) a hothouse plant
2.
  1. an environment that encourages rapid development
  2. (as modifier) a hot-house atmosphere
3.
an environment where there is great pressure showjumping is a tough, hothouse world
4.
(modifier) (informal, often censorious) sensitive or delicate a hothouse temperament
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for hot house
hothouse
1451, "bath house," from hot + house. In 17c. a euphemism for "brothel" (cf. massage parlor); the meaning "glass-roofed structure for raising plants" is from 1749.
Online Etymology Dictionary, © 2010 Douglas Harper
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